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Finding the Fourth Proportional to 353,204.80, 529,807.20 and 329,876.80

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Solution

The fourth proportional to 353,204.80, 529,807.20 and 329,876.80 is: 494,815.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,204.80 : 529,807.20 = 329,876.80 : x
  2. Step 2: Convert to fraction form
    353,204.80/529,807.20 = 329,876.80/x
  3. Step 3: Cross multiply
    353,204.80x = 529,807.20 × 329,876.80
  4. Step 4: Simplify right side
    353,204.80x = 174,771,103,752.96
  5. Step 5: Solve for x
    x = 174,771,103,752.96/353,204.80
  6. Step 6: Final answer
    x = 494,815.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.